diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 70c813b..448de3e 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -143,7 +143,7 @@ jobs:
     runs-on: ubuntu-24.04
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
       - name: Checkout
diff --git a/setup.py b/setup.py
index 9d32951..4b0942e 100755
--- a/setup.py
+++ b/setup.py
@@ -88,6 +88,7 @@
         "Programming Language :: Python :: 3.10",
         "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: 3.12",
+        "Programming Language :: Python :: 3.13",
         "Programming Language :: Python :: Implementation :: CPython",
         "Programming Language :: Python",
         "Topic :: Internet :: WWW/HTTP :: Dynamic Content",
diff --git a/tox.ini b/tox.ini
index e31ca96..547415e 100644
--- a/tox.ini
+++ b/tox.ini
@@ -11,6 +11,7 @@ envlist =
     py310
     py311
     py312
+    py313
 
 [testenv]
 deps =